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-rw-r--r--include/clang/Tooling/DependencyScanning/DependencyScanningWorker.h42
1 files changed, 33 insertions, 9 deletions
diff --git a/include/clang/Tooling/DependencyScanning/DependencyScanningWorker.h b/include/clang/Tooling/DependencyScanning/DependencyScanningWorker.h
index 3ea261a30d0f..45c9fb4f029d 100644
--- a/include/clang/Tooling/DependencyScanning/DependencyScanningWorker.h
+++ b/include/clang/Tooling/DependencyScanning/DependencyScanningWorker.h
@@ -10,17 +10,35 @@
#define LLVM_CLANG_TOOLING_DEPENDENCY_SCANNING_WORKER_H
#include "clang/Basic/DiagnosticOptions.h"
+#include "clang/Basic/FileManager.h"
#include "clang/Basic/LLVM.h"
#include "clang/Frontend/PCHContainerOperations.h"
+#include "clang/Lex/PreprocessorExcludedConditionalDirectiveSkipMapping.h"
#include "clang/Tooling/CompilationDatabase.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/FileSystem.h"
#include <string>
namespace clang {
+
+class DependencyOutputOptions;
+
namespace tooling {
namespace dependencies {
+class DependencyScanningService;
+class DependencyScanningWorkerFilesystem;
+
+class DependencyConsumer {
+public:
+ virtual ~DependencyConsumer() {}
+
+ virtual void handleFileDependency(const DependencyOutputOptions &Opts,
+ StringRef Filename) = 0;
+
+ // FIXME: Add support for reporting modular dependencies.
+};
+
/// An individual dependency scanning worker that is able to run on its own
/// thread.
///
@@ -29,26 +47,32 @@ namespace dependencies {
/// using the regular processing run.
class DependencyScanningWorker {
public:
- DependencyScanningWorker();
+ DependencyScanningWorker(DependencyScanningService &Service);
- /// Print out the dependency information into a string using the dependency
- /// file format that is specified in the options (-MD is the default) and
- /// return it.
+ /// Run the dependency scanning tool for a given clang driver invocation (as
+ /// specified for the given Input in the CDB), and report the discovered
+ /// dependencies to the provided consumer.
///
/// \returns A \c StringError with the diagnostic output if clang errors
- /// occurred, dependency file contents otherwise.
- llvm::Expected<std::string> getDependencyFile(const std::string &Input,
- StringRef WorkingDirectory,
- const CompilationDatabase &CDB);
+ /// occurred, success otherwise.
+ llvm::Error computeDependencies(const std::string &Input,
+ StringRef WorkingDirectory,
+ const CompilationDatabase &CDB,
+ DependencyConsumer &Consumer);
private:
IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts;
std::shared_ptr<PCHContainerOperations> PCHContainerOps;
+ std::unique_ptr<ExcludedPreprocessorDirectiveSkipMapping> PPSkipMappings;
+ llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> RealFS;
/// The file system that is used by each worker when scanning for
/// dependencies. This filesystem persists accross multiple compiler
/// invocations.
- llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> WorkerFS;
+ llvm::IntrusiveRefCntPtr<DependencyScanningWorkerFilesystem> DepFS;
+ /// The file manager that is reused accross multiple invocations by this
+ /// worker. If null, the file manager will not be reused.
+ llvm::IntrusiveRefCntPtr<FileManager> Files;
};
} // end namespace dependencies